SUNRISE SIMULATION: In every morning, maybe you want to use your hammer to smash your alarm clock. Because it was very noisy. But this wake up alarm will be on gradually from 10% of brightness to 100% of brightness until your room is filled with bright yellow light, before 30 minutes of the alarm time. Simulating the sunrise to prepare our body for waking up naturally, giving you a more energetic morning.

Sunrise/Sunset Simulation -- The wake up light will be on from 1% of the brightness to 100% at set time to bring you out of deep sleep gently to welcome a refreshed day; And Sunset function will guide you to natural, restful sleep.

6 Natural Sounds & FM Radio -- 6 natural sounds such as pure music, birds, forest, waves, beeping and so on, which let you revel in the sounds and smells of the nature. As well as FM radio, if you don't want to wake up, you can choose your favorite sound.

3 Charging Methods -- Power this useful gadget with a USB charger(Only power this device) or a wall jack, there is an option to use back up 3x AAA batteries (AAA batteries Not included). We suggest that using the batteries and the USB cord together in case of resetting the time when the cord gets disconnected.